JP7484205B2 - Apparatus and method for transporting and stacking sheet-like articles - Google Patents
Apparatus and method for transporting and stacking sheet-like articles Download PDFInfo
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- 238000000034 method Methods 0.000 title description 5
- 238000007664 blowing Methods 0.000 claims description 15
- 238000004806 packaging method and process Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 5
- 238000009459 flexible packaging Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005021 flexible packaging material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Description
本発明は、包装袋などの軟質シート状物品を搬送集積するための搬送集積装置および搬送集積方法に関する。 The present invention relates to a transport and stacking device and a transport and stacking method for transporting and stacking soft sheet-like items such as packaging bags.
包装袋を製造する製造所においては、製袋機によって製袋が完了した包装袋は、多くの場合、個別に切断されて集積装置において集積され、所定の数量毎に束ねられて出荷される。 In factories that manufacture packaging bags, the bags that have been completed by the bag making machine are often cut individually and stacked on a stacking device, then bundled together in designated quantities for shipment.
特許文献１に記載された集積装置は、複数のシート状物品を搬送する搬送部と、前記複数のシート状物品を前記搬送部の搬送方向と対向する方向に一括して起こす起立部材と、前記シート状物品のうち後端に位置するシート状物品を前記起立部材に向けて送り出す送出部材と、を備えたシート状物品の集積装置である。 The stacking device described in Patent Document 1 is a sheet-like article stacking device that includes a conveying section that conveys a plurality of sheet-like articles, a standing member that collectively stands the plurality of sheet-like articles in a direction opposite to the conveying direction of the conveying section, and a sending member that sends out the sheet-like articles located at the rear end of the sheet-like articles toward the standing member.
一般的に包装袋は、軟包装材料シートを重ね合わせて熱シールして製造されるが、シール時の熱収縮により多少変形するため、厳密には必ずしも正確な平面形状とは限らず、包装袋には多少の反りや曲がりなど形状のばらつきが存在する。 Generally, packaging bags are made by overlapping and heat sealing sheets of flexible packaging material, but because the bags are slightly deformed due to thermal shrinkage during sealing, they do not necessarily have a precise flat shape, and there is some variation in shape, such as slight warping or bending.
特許文献１に記載された集積装置は、このような局部的にカールが発生した平坦でない包装袋や、ガセット部の嵩張りなどにより厚みが一定でない包装袋の場合に、従来の平置き状態から垂直方向に積み上げる方式では包装袋の束が安定しないため、集積の自動化が困難であったものを、包装袋を起立させて水平方向に集積させることにより、安定した結束を可能にしたものである。 The stacking device described in Patent Document 1 allows for stable bundling of packaging bags by standing them up and stacking them horizontally, which is difficult to automate when stacking packaging bags that are not flat due to localized curling or packaging bags that are not uniform in thickness due to bulky gussets, because the bundle of packaging bags is not stable when stacking them vertically from a flat position as in the past.
特許文献２に記載されたＶ字型製袋集積機構は、２行以上の面付で製袋された包装袋をＶ字型に配置された搬送ベルトで挟み、同じ向きに揃えて集積する集積機構である。 The V-shaped bag making and stacking mechanism described in Patent Document 2 is a stacking mechanism that sandwiches packaging bags made in two or more rows of facings between conveyor belts arranged in a V shape and stacks them in the same direction.
特許文献３に記載されたプラスチックフィルム製袋の製造、スタック搬送装置は、製袋機と間隔を置いて設置した、プラスチックフィルム製袋（包装袋）を多数個スタックした状態で載置して搬送する間欠低速駆動のスタックコンベヤと、製袋機とスタックコンベヤの間に設置した、包装袋を複数個スタックした状態で載置可能であるとともに、載置した袋を製袋機の袋形成ピッチの範囲内でスタックコンベヤ上にスタック状態になるように搬送可能な間欠高速駆動の中間コンベヤとからなる包装袋のスタック搬送装置である。 The plastic film bag manufacturing and stack conveying device described in Patent Document 3 is a packaging bag stack conveying device consisting of an intermittent low-speed driven stack conveyor that is installed at a distance from the bag making machine and that places and conveys a large number of stacked plastic film bags (packaging bags), and an intermittent high-speed driven intermediate conveyor that is installed between the bag making machine and the stack conveyor and is capable of placing a large number of stacked packaging bags and conveying the placed bags so that they are stacked on the stack conveyor within the bag forming pitch range of the bag making machine.
特許文献１～３に記載された集積装置においては、いずれもスタックの直前まで包装袋をコンベアやニップロールで挟んで拘束した状態で搬送しているために、スタックされる際に、包装袋が折れ曲がったり、反転したりし難いものである。しかしこれらのスタック装置は複雑な機構を必要とするため、装置は高価なものとなるばかりでなく、製品に応じて装置を最適に調整する必要があり、１種類の包装袋を大量に生産する場合であればともかく、段取り替えが頻繁に発生する多品種少量の生産には不向きであった。 In the stacking devices described in Patent Documents 1 to 3, the packaging bags are conveyed in a state where they are clamped and restrained by a conveyor or nip rolls until just before they are stacked, so the packaging bags are less likely to bend or turn over when they are stacked. However, these stacking devices require complex mechanisms, which not only make the devices expensive, but also require optimal adjustments depending on the product. This makes them unsuitable for high-mix, low-volume production where frequent setup changes occur, although they may be suitable for mass production of one type of packaging bag.
図８に示したような従来の集積装置においては、機構が単純であるため、段取り替えも容易であり、設備費用も安くて済むが、上記したような多少変形した包装袋が混入した場合等に、正常に堆積されず、図のように裏返しになったり、折れ曲がったりする場合があったのである。 In conventional stacking devices like the one shown in Figure 8, the mechanism is simple, so setup changes are easy and the equipment costs are low. However, if slightly deformed packaging bags like those mentioned above get mixed in, they are not stacked properly and may end up turned upside down or bent as shown in the figure.
本発明の解決しようとする課題は、簡単な機構でありながら、安定した積載を可能とする軟質シート状物品の集積装置およびこれを用いた軟包装袋の集積方法を提案するものである。 The problem that this invention aims to solve is to propose a flexible sheet-like article stacking device that allows stable loading while having a simple mechanism, and a method for stacking flexible packaging bags using the same.
上記の課題を解決するための手段として、請求項１に記載の発明は、軟質シート状物品を搬送する搬送部と、該搬送部より下側に配置され、前記軟質シート状物品を同位置に集積する集積部と、前記搬送部と前記集積部との間にあって、前記軟質シート状物品を前記集積部に誘導する傾斜したスライダー部と、該スライダー部の上部にあって搬送方向のスライダー部表面に沿って空気流を流す送風部と、前記集積部の前記搬送部の反対側に設置した当て板と、を備えたことを特徴とする軟質シート状物品の搬送集積装置である。 As a means for solving the above problem, the invention described in claim 1 is a device for conveying and stacking soft sheet-like articles, characterized by comprising a conveying section for conveying soft sheet-like articles, a stacking section arranged below the conveying section and stacking the soft sheet-like articles at the same position, an inclined slider section arranged between the conveying section and the stacking section and guiding the soft sheet-like articles to the stacking section, an air blowing section arranged above the slider section for blowing air along the surface of the slider section in the conveying direction, and a backing plate arranged on the opposite side of the stacking section to the conveying section.
本発明に係る搬送集積装置は、搬送部と集積部の間に傾斜したスライダー部を設けたので、多少変形した包装袋のような軟質シート状物であっても、安定して集積することができるようになった。 The conveying and stacking device of the present invention has an inclined slider section between the conveying section and the stacking section, so that even soft sheet-like objects such as packaging bags that are slightly deformed can be stably stacked.
また、請求項２に記載の発明は、前記集積部が、スライダー部の傾斜方向と同じ方向に傾斜して配置されていることを特徴とする請求項１に記載の搬送集積装置である。 The invention described in claim 2 is the conveying and stacking device described in claim 1, characterized in that the stacking section is arranged at an incline in the same direction as the inclination direction of the slider section.
また、請求項３に記載の発明は、前記スライダー部の表面に搬送方向に平行する溝を複数形成してなることを特徴とする請求項１または２に記載の搬送集積装置である。 The invention described in claim 3 is the conveying and stacking device described in claim 1 or 2, characterized in that a plurality of grooves parallel to the conveying direction are formed on the surface of the slider portion.
また、請求項４に記載の発明は、請求項１～３のいずれか１項に記載の搬送集積装置を用いて、製袋機から順次排出される軟包装袋を集積することを特徴とする軟包装袋の搬送集積方法である。 The invention described in claim 4 is a method for conveying and stacking flexible packaging bags, characterized in that flexible packaging bags sequentially discharged from a bag making machine are stacked using the conveying and stacking device described in any one of claims 1 to 3.
本発明に係る軟質シート状物品の搬送集積装置によれば、折れ曲がりやスタック位置のずれ、はみだし、不揃い、裏返しなどの不良が抑制され、スタックされた製品の取り扱いが容易となる。 The soft sheet-like article conveying and stacking device of the present invention reduces defects such as bending, misalignment of stacking position, overhang, misalignment, and inversion, making it easier to handle stacked products.
スライダー部に空気流を流すことにより、軟質シート状物品の先端部がスライダー部の表面に引っ掛かることがなく、円滑な搬送を実現できる。また、スライダー部は、構造が簡単であるから、既存の集積装置に付加することも容易に可能である。 By passing air through the slider section, the leading edge of the soft sheet-like item does not get caught on the surface of the slider section, allowing for smooth transport. In addition, because the slider section has a simple structure, it can be easily added to existing stacking devices.
請求項２に記載の発明のように、集積部が、スライダー部の傾斜方向に傾斜して配置されている場合にあっては、さらに集積が円滑に行われる。 As in the invention described in claim 2, when the stacking section is arranged at an incline in the direction of the slider section, stacking is performed even more smoothly.
また、請求項３に記載の発明のように、スライダー部の表面に搬送方向に平行する溝を複数形成した場合には、空気流の流れが直線的に整うため、シート状物品が横方向に滑り出したりせず、より円滑な集積が可能となる。 In addition, as in the invention described in claim 3, when multiple grooves parallel to the conveying direction are formed on the surface of the slider section, the air flow is aligned in a straight line, preventing the sheet-like items from sliding sideways and allowing for smoother stacking.
以下図面を参照しながら、本発明に係る搬送集積装置について詳細に説明する。図１は、本発明に係る搬送集積装置１の基本的な構成と、動作をおよび軟質シート状物品１０の流れを示した模式図である。 The transport and stacking device according to the present invention will be described in detail below with reference to the drawings. Figure 1 is a schematic diagram showing the basic configuration and operation of the transport and stacking device 1 according to the present invention, and the flow of soft sheet-like items 10.
本発明に係る搬送集積装置１は、軟質シート状物品１０を搬送する搬送部２と、搬送部２より下側に配置され、軟質シート状物品１０を同位置に集積する集積部４と、搬送部２と集積部４との間にあって、軟質シート状物品１０を集積部４に誘導する傾斜したスライダー部３と、スライダー部３の上部にあって搬送方向のスライダー部表面に沿って空気流８を流す送風部５と、集積部４の搬送部２の反対側に設置した当て板６と、を備えることを特徴とする軟質シート状物品の搬送集積装置である。 The conveying and stacking device 1 according to the present invention is a device for conveying and stacking soft sheet-like articles, characterized by comprising a conveying section 2 for conveying soft sheet-like articles 10, a stacking section 4 arranged below the conveying section 2 and stacking the soft sheet-like articles 10 at the same position, an inclined slider section 3 arranged between the conveying section 2 and the stacking section 4 for guiding the soft sheet-like articles 10 to the stacking section 4, an air blowing section 5 arranged above the slider section 3 for blowing airflow 8 along the surface of the slider section in the conveying direction, and a support plate 6 arranged on the opposite side of the stacking section 4 to the conveying section 2.
搬送部２は、製袋機等から排出された包装袋のような軟質シート状物品１０を集積部４に供給するもので、図１の例ではベルトコンベアであるが、コンベアロールを複数並べたものや、チャックでつまんで搬送するもの等、どのような形式でも良い。 The conveying section 2 supplies soft sheet-like products 10, such as packaging bags discharged from a bag making machine or the like, to the stacking section 4. In the example shown in FIG. 1, it is a belt conveyor, but any type of conveyor may be used, such as a line of multiple conveyor rolls or a conveyor that pinches and conveys the products with a chuck.
集積部４は、搬送部２によって搬送されてきた軟質シート状物品１０を集積する装置であり、定位置に揃えるために、搬送部２の反対側に当て板６が設置されている。当て板６は、シート状物品のサイズに応じて、前後方向に移動可能としても良い。 The stacking unit 4 is a device that stacks the soft sheet-like items 10 transported by the transport unit 2, and a backing plate 6 is installed on the opposite side of the transport unit 2 to align them in a fixed position. The backing plate 6 may be movable in the forward and backward directions depending on the size of the sheet-like items.
集積部４には、横方向へのシート状物品のずれを防止するために、特に図示しないが、幅可変のサイドガイドを設けても良い。サイドガイドは、さらに、左右両側に設けたサイドガイドを広げたり狭めたりする往復運動をさせることにより、幅方向の物品の揃い方がきれいになる。 In order to prevent the sheet-like articles from shifting sideways, the stacking section 4 may be provided with variable-width side guides (not shown). The side guides on both the left and right sides can be made to move back and forth to widen and narrow, so that the articles are neatly aligned in the width direction.
集積部４は、初期の高さを変えられるようにすると共に、シート状物品が溜まるにつれて、自動的に下降するようにしても良い。 The stacking section 4 may be designed to have an adjustable initial height and to automatically lower as sheet-like items accumulate.
図２は、搬送集積装置１の他の実施態様を示した模式図であり、集積部４が水平面に対して傾斜して配置された例である。集積部を後述するスライダー部と同じ傾きの方向に傾斜させることにより、集積がより円滑に行われ、シート状物品１０が、きれいに揃うようになる。 Figure 2 is a schematic diagram showing another embodiment of the conveying and stacking device 1, in which the stacking section 4 is arranged at an incline with respect to the horizontal plane. By inclining the stacking section in the same direction as the slider section described below, stacking is performed more smoothly, and the sheet-like articles 10 are neatly aligned.
本発明に係る搬送集積装置１においては、図１、２に示したように、搬送部２と集積部４との間に、軟質シート状物品１０を集積部４に誘導する傾斜したスライダー部３を設けたことを最大の特徴とする。スライダー部３の上部には、搬送方向のスライダー部表面に沿って空気流８を流す送風部５が設けられている。 As shown in Figures 1 and 2, the main feature of the conveying and stacking device 1 according to the present invention is that an inclined slider section 3 is provided between the conveying section 2 and the stacking section 4 to guide the soft sheet-like article 10 to the stacking section 4. An air blower section 5 is provided above the slider section 3 to blow air flow 8 along the surface of the slider section in the conveying direction.
図３は、スライダー部３の構造の一例を示した斜視図である。図４は、図３に示したスライダー部の断面模式図である。この例では平坦な板状のスライダー部３と、その上部に設けられた送風部５が組み合わされている。送風部には、吹き出しノズル９がこの例では９個設置されており、吹き出しノズルから吹き出された空気流８は、スライダー部３の表面に沿って流れ下る。 Figure 3 is a perspective view showing an example of the structure of the slider section 3. Figure 4 is a schematic cross-sectional view of the slider section shown in Figure 3. In this example, a flat, plate-like slider section 3 is combined with an air blower section 5 provided on the top of it. In this example, nine blowing nozzles 9 are installed in the air blower section, and the airflow 8 blown out from the blowing nozzles flows down along the surface of the slider section 3.
図５は、スライダー部３の他の例を示した断面模式図であり、送風部５の吹き出しノズル９がスリット状の例である。このように、吹き出しノズル９の構造については、特に制約されず、要はスライダー部３の表面に空気の層流が形成されれば良い。 Figure 5 is a schematic cross-sectional view showing another example of the slider section 3, in which the blowing nozzle 9 of the blowing section 5 is slit-shaped. As such, there are no particular restrictions on the structure of the blowing nozzle 9, and it is essential that a laminar air flow is formed on the surface of the slider section 3.
スライダー部３に供給されたシート状物品は、スライダー部の傾斜によって何もしなくても自然に滑り落ちるが、空気流８が存在することにより、より円滑に安定して滑り落ちるようになる。このため、製袋時のシール熱により変形した包装袋などのように、変形したり反ったりした物品でも安定して移動させることができ、集積部４に安定して集積することが可能となる。 The sheet-like object fed to the slider section 3 naturally slides down due to the inclination of the slider section, but the presence of the air flow 8 allows the object to slide down more smoothly and stably. This allows even deformed or warped objects, such as packaging bags that have been deformed by the heat of sealing during bag making, to be moved stably and stably accumulated in the accumulation section 4.
スライダー部３の設置位置や角度等については、実際のシート状物品の状態に応じて、調節ができるようにしておくと良い。 It is advisable to make it possible to adjust the installation position and angle of the slider section 3 according to the actual condition of the sheet-like article.
送風部５に供給される空気は、圧縮空気でも良いし、送風機から供給される空気でも良い。空気の量についても、スライダー部３の角度や幅、シート状物品のサイズや重さ等によって最適な量を調節できるようにしておくと良い。 The air supplied to the blower 5 may be compressed air or air supplied from a blower. It is advisable to adjust the amount of air to an optimal amount depending on the angle and width of the slider 3, the size and weight of the sheet-like product, etc.
スライダー部３は、既存の集積装置に後から付加することも可能であり、費用も掛からないものである。 The slider section 3 can be added to an existing stacking device at a later date, and does not incur any costs.
図６は、スライダー部３の他の例を示した斜視図であり、スライダー部表面に溝７が形成されている例である。図７は、図６に示したスライダー部の断面模式図である。このようにスライダー部表面に搬送方向に平行する溝を複数形成することにより、空気流の流れが直線的に整うため、シート状物品が横方向に滑り出したりせず、より円滑な集積が可能となる。すなわち、スライダー部表面の空気流が乱流とならず整流となるため、軟質シート状物品が正規の方向から外れて横滑りし、堆積が乱れたり、極端な場合は、横方向に落下したりすることを防止する効果がある。 Figure 6 is a perspective view showing another example of the slider section 3, in which a groove 7 is formed on the surface of the slider section. Figure 7 is a schematic cross-sectional view of the slider section shown in Figure 6. By forming multiple grooves parallel to the conveying direction on the surface of the slider section in this way, the air flow is aligned in a straight line, preventing the sheet-like objects from sliding sideways and enabling smoother accumulation. In other words, the air flow on the surface of the slider section is aligned rather than turbulent, which has the effect of preventing the soft sheet-like objects from deviating from the normal direction and sliding sideways, causing the pile to become disturbed, or in extreme cases, falling sideways.
溝７の形状や深さ、本数については、特に制約はない。また図６では、一定の厚さを持った板状のスライダー部に溝を形成した構造となっているが、１枚の板を波状に折り曲げたり、かまぼこ状に形成したものでも良い。 There are no particular restrictions on the shape, depth, or number of grooves 7. In addition, in FIG. 6, the grooves are formed in a plate-like slider portion having a certain thickness, but a single plate may be bent into a wave shape or formed into a semi-cylindrical shape.
スライダー部３の材質も、金属とは限らず、より滑り抵抗値の小さい材質、例えばポリエチレン樹脂板やテフロン（登録商標）板などでも良い。またこれらの材質を組み合わせて、例えば平坦な金属板に、棒状のポリエチレン樹脂を取り付けた構造などでも良い。 The material of the slider portion 3 is not limited to metal, and may be a material with a smaller slip resistance, such as a polyethylene resin plate or a Teflon (registered trademark) plate. These materials may also be combined, for example, to form a structure in which a rod-shaped polyethylene resin is attached to a flat metal plate.
本発明に係るシート状物品の搬送集積装置は、軟包装袋を製造する製袋機の出口に設置して、個々に裁断されて枚葉状となった軟包装袋を集積して、束ねて出荷する工程に最適に使用できる。製品の形状がさまざまに変化するような場合であっても、調整が容易であり、多品種少量生産に適したものである。 The sheet-like article conveying and stacking device of the present invention is installed at the exit of a bag making machine that produces flexible packaging bags, and is ideal for use in the process of stacking individually cut, sheet-like flexible packaging bags, bundling them, and shipping them. Even when the product shapes vary widely, it is easy to adjust and is suitable for small-lot production of a wide variety of products.
１・・・搬送集積装置
２・・・搬送部
３・・・スライダー部
４・・・集積部
５・・・送風部
６・・・当て板
７・・・溝
８・・・空気流
９・・・吹き出しノズル
１０・・・軟質シート状物品
Reference Signs List 1: Conveying and accumulating device 2: Conveying section 3: Slider section 4: Accumulating section 5: Air blowing section 6: Backing plate 7: Groove 8: Air flow 9: Blowing nozzle 10: Soft sheet-like article
Claims (2)
前記スライダー部の表面に搬送方向に平行する溝を複数形成してなる、
ことを特徴とする軟質シート状物品の搬送集積装置。 the conveying section for conveying a soft sheet-like article; a stacking section arranged below the conveying section for stacking the soft sheet-like article at the same position; an inclined slider section arranged between the conveying section and the stacking section for guiding the soft sheet-like article to the stacking section; an air blowing section arranged above the slider section for blowing air along a surface of the slider section in the conveying direction; and a backing plate arranged on the stacking section opposite the conveying section ;
A plurality of grooves parallel to the conveying direction are formed on the surface of the slider portion,
A conveying and stacking device for soft sheet-like articles, comprising:
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405125A (en) | 1981-09-14 | 1983-09-20 | Pitney Bowes Inc. | Paper stacking device |
| JP2002241027A (en) | 2001-02-13 | 2002-08-28 | Matsushita Electric Works Ltd | Sheet loading method and loading device |
| JP2008239320A (en) | 2007-03-28 | 2008-10-09 | Seiko Epson Corp | Recording material discharging device and recording device |
| JP2012062142A (en) | 2010-09-14 | 2012-03-29 | Toppan Printing Co Ltd | Paper discharge device |
-
2020
- 2020-02-12 JP JP2020021329A patent/JP7484205B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405125A (en) | 1981-09-14 | 1983-09-20 | Pitney Bowes Inc. | Paper stacking device |
| JP2002241027A (en) | 2001-02-13 | 2002-08-28 | Matsushita Electric Works Ltd | Sheet loading method and loading device |
| JP2008239320A (en) | 2007-03-28 | 2008-10-09 | Seiko Epson Corp | Recording material discharging device and recording device |
| JP2012062142A (en) | 2010-09-14 | 2012-03-29 | Toppan Printing Co Ltd | Paper discharge device |
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